TY  - JOUR
AU  - A. G. Chentsov
TI  - Tier mappings and ultrafilter-based transformations
JO  - Trudy Instituta matematiki i mehaniki
PY  - 2012
SP  - 298
EP  - 314
VL  - 18
IS  - 4
UR  - http://geodesic.mathdoc.fr/item/TIMM_2012_18_4_a26/
LA  - ru
ID  - TIMM_2012_18_4_a26
ER  -